Home / 13,997.38-19,319.22-8,033.15

Finding the Fourth Proportional to 13,997.38, 19,319.22 and 8,033.15

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Solution

The fourth proportional to 13,997.38, 19,319.22 and 8,033.15 is: 11,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.38 : 19,319.22 = 8,033.15 : x
  2. Step 2: Convert to fraction form
    13,997.38/19,319.22 = 8,033.15/x
  3. Step 3: Cross multiply
    13,997.38x = 19,319.22 × 8,033.15
  4. Step 4: Simplify right side
    13,997.38x = 155,194,095.55
  5. Step 5: Solve for x
    x = 155,194,095.55/13,997.38
  6. Step 6: Final answer
    x = 11,087.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.